Home / 28,761.93-43,139.45-7,703.55

Finding the Fourth Proportional to 28,761.93, 43,139.45 and 7,703.55

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Solution

The fourth proportional to 28,761.93, 43,139.45 and 7,703.55 is: 11,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.93 : 43,139.45 = 7,703.55 : x
  2. Step 2: Convert to fraction form
    28,761.93/43,139.45 = 7,703.55/x
  3. Step 3: Cross multiply
    28,761.93x = 43,139.45 × 7,703.55
  4. Step 4: Simplify right side
    28,761.93x = 332,326,929.31
  5. Step 5: Solve for x
    x = 332,326,929.31/28,761.93
  6. Step 6: Final answer
    x = 11,554.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.